Cleaning machine



FIG. 1 is the perspective view of a cleaning machine showing my new design;

FIG. 2 is the front view thereof;

FIG. 3 is the rear view thereof;

FIG. 4 is the left side view thereof;

FIG. 5 is the right side view thereof;

FIG. 6 is the top view thereof; and,

FIG. 7 is the bottom view thereof.

The electric cord shown broken away in FIGS. 1, 4, 5, 6 and 7 is understood to represent indeterminate length. 

The ornamental design for a cleaning machine, as shown and described. 